The thrust chamber of the LRE works under the condition characterized by high pressure and high temperature. 液体火箭发动机推进室里的工质工作在高温高压环境下，可靠的冷却是保证其安全工作的关键技术之一。
The petroleum industry is a risky industry, which involves flammability and explosibility with high temperature and high pressure. 石油行业是一个高温高压易燃易爆的危险行业。
